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Mirrors > Home > MPE Home > Th. List > pm3.31 | Structured version Visualization version Unicode version |
Description: Theorem *3.31 (Imp) of [WhiteheadRussell] p. 112. (Contributed by NM, 3-Jan-2005.) (Proof shortened by Wolf Lammen, 24-Mar-2013.) |
Ref | Expression |
---|---|
pm3.31 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | id 22 |
. 2
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2 | 1 | impd 433 |
1
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Colors of variables: wff setvar class |
Syntax hints: ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 189 df-an 373 |
This theorem is referenced by: impexp 448 imp5a 603 issref 5213 bj-sb56 31252 bj-ssbequ2 31256 trsbc 36901 3impexpVD 37252 trsbcVD 37274 19.41rgVD 37299 stoweidlem17 37877 |
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